Area Forecast Discussion
Issued by NWS Dallas/Fort Worth, TX

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FXUS64 KFWD 241951
AFDFWD

Area Forecast Discussion
National Weather Service Fort Worth TX
251 PM CDT Sat Jun 24 2017


.SHORT TERM...
/Thru Monday Night/

Just about the entire CWA continues to remain cloudy, cool, and
stabilized from overnight/morning showers and storms the past 24
hours. Just about everybody saw some sort of measurable rainfall
the past 24 hours. Cloud tops have warmed significantly since
midday with even breaks in the cloud cover across the north. A few
spits of sprinkles or light rain continued across Central Texas,
but nothing of significance. That said, some areas from near
Dallas southwest toward Stephenville, Comanche, south toward
Hamilton received 2-4 inches with isolated amounts to 5 inches, so
definitely some very beneficial rainfall from this early Summer
MCS. The very moist and cool boundary layer should saturate once
again overnight with quite a bit of stratus around for Sunday
morning. Can`t rule out a little spotty light fog this evening
through through the pre-dawn hours where partly cloudy skies
exist, but we do not expect any widespread, significant fog
tonight. Otherwise, a few showers may persist across Central Texas
tonight where some residual weak, isentropic ascent will
continue. We DO NOT expect any convective activity tonight to be
anything like last night.

The upper ridge will remain to the west and we should see east-
northeast winds and pleasant temperatures Sunday in the lower-mid
80s, once stratus slowly mixes out early in the afternoon. A
subtle shortwave disturbance will arrive in diffluent and weak
northwest flow aloft during prime heating and could spark off a
few showers and isolated thunderstorms mainly south of I-20 and
across Central Texas. Some shower activity will maintain through
nightfall across our southwest counties Sunday night, but most of
the area should remain dry.

The upper ridge will remain relatively weak and mainly off to our
southwest moving into Monday, with ripples of mid level energy
sparking off isolated to scattered showers and thunderstorms
south-west of DFW. Lapse rates are not impressive and we do not
expect any severe weather, though an isolated strong late day
storm cannot be ruled out. A few showers will linger across the
Colorado River Valley through nightfall Monday evening, with
relatively dry conditions the remainder of Monday Night. Multi-
layer partly-mostly cloud cover should limit widespread fog
development both Sunday and Monday nights, though some patchy
thicker fog can`t be ruled out wherever breaks in the cloud cover
can occur each night.

&&

.LONG TERM...
/Tuesday Thru Next Weekend/

Low, mainly diurnal convective chances will hold on across Central
Texas Tuesday-Wednesday, however we expect coverage to be more
limited, as the southwest CONUS upper high, though not overly
strong, continues to expand east across the Western Gulf of
Mexico. In addition, lee cyclogenesis across Eastern Colorado
should bring a return of breezy south-southeast winds and humidity
from the Gulf Of Mexico, as Summer makes a fervent return. Highs
will rebound into the lower-mid 90s, especially along and west of
I-35. Combined with the increasing Gulf humidity, heat indices may
become an issue once again. A weakness in the upper high will
continue to be evident across far east and southeast Texas through
the end of the week, thus low diurnal convective chances will
occur each afternoon Thursday and Friday across the southeast
third of the CWA. It will continue to remain breezy, as a more
active storm track within the polar westerlies remains well north
of the area.

A slightly more amplified northern branch trough will move out
over the plains Friday night and Saturday, with a surface cold
front stalling northwest of our area across the Oklahoma/Texas
Panhandles into Arkansas and Missouri. Signs still point to a
weakening MCS late Friday night into Saturday morning entering
areas north of the I-20 corridor. However, at this point, we`ll
continue to only advertise low convective chances until higher
certainty comes with future forecasts. It will remain seasonably
hot and steamy next weekend with mostly dry conditions, as the
main jet streams remains well north of the area.

05/

&&


.AVIATION... /Issued 1251 PM CDT Sat Jun 24 2017/
Earlier widespread showers and thunderstorms continue to diminish
in extent and intensity early this afternoon as somewhat drier air
tries to work into the region from the north. While VFR conditions
currently prevail at the Metroplex airports, there are signs of
lower clouds waiting in the wings to the north, and some
occasional dips to MVFR are possible through the mid-afternoon
hours along with occasional spits of rain. The wind field is quite
chaotic at this hour, with winds effectively light and variable.
Anticipate these will gradually turn to favor an east-northeast to
northeasterly direction this afternoon. Waco should experience
similar trends, with cig reductions perhaps into the low-MVFR
category through the afternoon.

Additional MVFR stratus should develop overnight as the shallow
frontal inversion re-saturates again. Subtle isentropic ascent
will continue atop the cool airmass, and this may be enough to
spark off renewed showers, although confidence in placing this
activity is quite low at this time. Slightly better chances exist
across Waco which will remain closer to better surface convergence
overnight, which warrants a mention of VCSH after 25/08z. Given
decreasing instability aloft, thunder chances appear low overnight
and into Sunday.

Carlaw

&&

.PRELIMINARY POINT TEMPS/POPS...
Dallas-Ft. Worth    71  84  70  87  71 /   5  10  10  10   5
Waco                72  86  70  87  70 /  30  40  20  20  10
Paris               66  85  65  86  65 /   5   0  10  10   5
Denton              69  84  67  86  68 /   5  10  10  10   5
McKinney            69  85  67  86  68 /   5   5  10  10   5
Dallas              71  85  70  87  71 /   5  10  10  10   5
Terrell             69  85  68  87  69 /  10  10  10  10   5
Corsicana           71  85  69  86  70 /  30  30  10  20  10
Temple              71  85  69  86  69 /  40  40  30  30  20
Mineral Wells       67  83  67  85  68 /  10  20  10  20  10

&&

.FWD WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

05/90



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